Since UGREEN uses the Realtek RTL8761B chipset, you can use Realtek’s generic driver.
Cause: Windows cannot find the correct INF file. Solution:
Introduction: Why the UGREEN CM390 Remains a Top Choice ugreen bluetooth 5.0 usb adapter cm390 driver
In an era where desktop PCs and older laptops still lack native Bluetooth connectivity, the USB Bluetooth dongle remains one of the most cost-effective upgrades you can buy. Among the crowded market of adapters, the UGREEN Bluetooth 5.0 USB Adapter (Model CM390) has carved out a reputation for reliability, range, and driver stability.
However, like any hardware, the “plug-and-play” promise often collides with the reality of Windows driver conflicts, missing Linux firmware, or macOS compatibility hurdles. If you have searched for the term “UGREEN Bluetooth 5.0 USB Adapter CM390 driver,” you are likely facing one of three scenarios: Since UGREEN uses the Realtek RTL8761B chipset, you
This article will serve as the ultimate resource. We will cover the chipset information, official and generic driver sources, step-by-step installation guides for Windows 10/11, tweaks for Linux (Ubuntu/Debian), Android compatibility, and a detailed troubleshooting section.
Yes, if you’re on Windows 10/11. It’s plug-and-play, supports 5.0 speeds, low energy, and multiple devices. Just don’t expect macOS support. This article will serve as the ultimate resource
No, if you need macOS compatibility. Buy a Broadcom-based adapter instead.
Have a driver issue that isn’t listed? Leave a comment below – I’ve installed this adapter on over 30 PCs and likely know the fix.